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Lease (Details 1) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Cash paid for amounts included in the measurement of lease liabiltiies:
Operating cash outflow from operating leases	$ 171	$ 168
Weighted-average remaining lease term-finance leases (in years)	1 year 8 months 12 days	2 years 8 months 12 days
Weighted-average remaining lease term-operating leases (in years)	2 years 8 months 12 days	3 years 8 months 12 days
Weighted-average discount rate-finance leases	9.30%	9.10%
Weighted-average discount rate-operating leases	14.60%	14.40%

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Weighted average discount rate for finance lease calculated at point in time.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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Term of lessee's finance lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

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Term of lessee's operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Amount of cash outflow from operating lease, excluding payments to bring another asset to condition and location necessary for its intended use.

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